118422513 has 16 divisors (see below), whose sum is σ = 191390400. Its totient is φ = 71771040.

The previous prime is 118422467. The next prime is 118422529. The reversal of 118422513 is 315224811.

It is not a de Polignac number, because 118422513 - 2⁸ = 118422257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (118422583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199068 + ... + 199661.

It is an arithmetic number, because the mean of its divisors is an integer number (11961900).

Almost surely, 2^118422513 is an apocalyptic number.

It is an amenable number.

118422513 is a deficient number, since it is larger than the sum of its proper divisors (72967887).

118422513 is a wasteful number, since it uses less digits than its factorization.

118422513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398749 (or 398743 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 118422513 is about 10882.2108507417. The cubic root of 118422513 is about 491.0715312318.

The spelling of 118422513 in words is "one hundred eighteen million, four hundred twenty-two thousand, five hundred thirteen".